from selenium import webdriver
from selenium.webdriver.common.action_chains import ActionChains

driver = webdriver.Chrome()

driver.get('https://www.baidu.com/')

# 模拟鼠标操作对象
ac = ActionChains(driver)

# 模拟鼠标移动到百度搜索首页的“更多”标签上面，但不点击
ac.move_to_element(driver.find_element_by_css_selector('a[name="tj_briicon"]')).perform()